Hi,
I was able to fix it manually.
The problem seems to be your "clone function" not doing a needed DB update for the cloned site to work correctly?
in the database, the table "wp_options" or "wpxi_options" (depending on the installation by Softaculous), 2 records need updating :

where option_name = "home"
option_name = "siteurl"

replace the URL of the "old" site with the url of the new/cloned site.
for example with SQL :